package me.hgj.jetpackmvvm.util;

import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.os.Build;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;

import androidx.annotation.FloatRange;
import androidx.annotation.RequiresApi;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.regex.Pattern;

/**
 * 状态栏透明
 * Created by SCWANG on 2016/10/26.
 */

@SuppressWarnings("unused")
public class StatusBarUtil {

	public static       int   DEFAULT_COLOR = 0;
	public static       float DEFAULT_ALPHA = 0;//Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? 0.2f :  0.3f;
	public static final int   MIN_API       = 19;

	//<editor-fold desc="沉侵">
	public static void immersive(Activity activity) {
		immersive(activity, DEFAULT_COLOR, DEFAULT_ALPHA);
	}

	public static void immersive(Activity activity, int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		immersive(activity.getWindow(), color, alpha);
	}

	public static void immersive(Activity activity, int color) {
		immersive(activity.getWindow(), color, 1f);
	}

	public static void immersive(Window window) {
		immersive(window, DEFAULT_COLOR, DEFAULT_ALPHA);
	}

	public static void immersive(Window window, int color) {
		immersive(window, color, 1f);
	}

	public static void immersive(Window window, int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		if (Build.VERSION.SDK_INT >= 21) {
			window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
			window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
			window.setStatusBarColor(mixtureColor(color, alpha));

			int systemUiVisibility = window.getDecorView().getSystemUiVisibility();
			systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
			systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
			window.getDecorView().setSystemUiVisibility(systemUiVisibility);
		} else if (Build.VERSION.SDK_INT >= 19) {
			window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
			setTranslucentView((ViewGroup) window.getDecorView(), color, alpha);
		} else if (Build.VERSION.SDK_INT >= MIN_API && Build.VERSION.SDK_INT > 16) {
			int systemUiVisibility = window.getDecorView().getSystemUiVisibility();
			systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
			systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
			window.getDecorView().setSystemUiVisibility(systemUiVisibility);
		}
	}
	//</editor-fold>

	//<editor-fold desc="DarkMode">
	public static void darkMode(Activity activity, boolean dark) {
		/*if (isFlyme4Later()) {
			darkModeForFlyme4(activity.getWindow(), dark);
		} else if (isMIUI6Later()) {
			darkModeForMIUI6(activity.getWindow(), dark);
		} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {*/
			darkModeForM(activity.getWindow(), dark);
//		}
	}

	/**
	 * 设置状态栏darkMode,字体颜色及icon变黑(目前支持MIUI6以上,Flyme4以上,Android M以上)
	 */
	public static void darkMode(Activity activity) {
		darkMode(activity, true);
	}

	public static void darkMode(Activity activity, int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		darkMode(activity.getWindow(), color, alpha);
	}

	/**
	 * 设置状态栏darkMode,字体颜色及icon变黑(目前支持MIUI6以上,Flyme4以上,Android M以上)
	 */
	public static void darkMode(Window window, int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		if (isFlyme4Later()) {
			darkModeForFlyme4(window, true);
			immersive(window, color, alpha);
		} else if (isMIUI6Later()) {
			darkModeForMIUI6(window, true);
			immersive(window, color, alpha);
		} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
			darkModeForM(window, true);
			immersive(window, color, alpha);
		} else if (Build.VERSION.SDK_INT >= 19) {
			window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
			setTranslucentView((ViewGroup) window.getDecorView(), color, alpha);
		} else {
			immersive(window, color, alpha);
		}
		//        if (Build.VERSION.SDK_INT >= 21) {
		//            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
		//            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
		//            window.setStatusBarColor(Color.TRANSPARENT);
		//        } else if (Build.VERSION.SDK_INT >= 19) {
		//            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
		//        }

		//        setTranslucentView((ViewGroup) window.getDecorView(), color, alpha);
	}

	//------------------------->

	/**
	 * android 6.0设置字体颜色
	 */
	@RequiresApi(Build.VERSION_CODES.M)
	private static void darkModeForM(Window window, boolean dark) {
		//        window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
		//        window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
		//        window.setStatusBarColor(Color.TRANSPARENT);

		int systemUiVisibility = window.getDecorView().getSystemUiVisibility();
		if (dark) {
			systemUiVisibility |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
		} else {
			systemUiVisibility &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
		}
		window.getDecorView().setSystemUiVisibility(systemUiVisibility);
	}

	/**
	 * 设置Flyme4+的darkMode,darkMode时候字体颜色及icon变黑
	 * http: //open-wiki.flyme.cn/index.php?title=Flyme%E7%B3%BB%E7%BB%9FAPI
	 */
	public static boolean darkModeForFlyme4(Window window, boolean dark) {
		boolean result = false;
		if (window != null) {
			try {
				WindowManager.LayoutParams e = window.getAttributes();
				Field darkFlag = WindowManager.LayoutParams.class.getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON");
				Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField("meizuFlags");
				darkFlag.setAccessible(true);
				meizuFlags.setAccessible(true);
				int bit = darkFlag.getInt(null);
				int value = meizuFlags.getInt(e);
				if (dark) {
					value |= bit;
				} else {
					value &= ~bit;
				}

				meizuFlags.setInt(e, value);
				window.setAttributes(e);
				result = true;
			} catch (Exception var8) {
				Log.e("StatusBar", "darkIcon:  failed");
			}
		}

		return result;
	}

	/**
	 * 设置MIUI6+的状态栏是否为darkMode,darkMode时候字体颜色及icon变黑
	 * http: //dev.xiaomi.com/doc/p=4769/
	 */
	public static boolean darkModeForMIUI6(Window window, boolean darkmode) {
		Class<? extends Window> clazz = window.getClass();
		try {
			int darkModeFlag = 0;
			Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams");
			Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE");
			darkModeFlag = field.getInt(layoutParams);
			Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class);
			extraFlagField.invoke(window, darkmode ? darkModeFlag :  0, darkModeFlag);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 判断是否Flyme4以上
	 */
	public static boolean isFlyme4Later() {
		return Build.FINGERPRINT.contains("Flyme_OS_4") || Build.VERSION.INCREMENTAL.contains("Flyme_OS_4") ||
			   Pattern.compile("Flyme OS [4|5]", Pattern.CASE_INSENSITIVE).matcher(Build.DISPLAY).find();
	}

	/**
	 * 判断是否为MIUI6以上
	 */
	public static boolean isMIUI6Later() {
		try {
			Class<?> clz = Class.forName("android.os.SystemProperties");
			Method mtd = clz.getMethod("get", String.class);
			String val = (String) mtd.invoke(null, "ro.miui.ui.version.name");
			val = val.replaceAll("[vV]", "");
			int version = Integer.parseInt(val);
			return version >= 6;
		} catch (Exception e) {
			return false;
		}
	}
	//</editor-fold>


	/**
	 * 增加View的paddingTop,增加的值为状态栏高度
	 */
	public static void setPadding(Context context, View view) {
		if (Build.VERSION.SDK_INT >= MIN_API) {
			view.setPadding(view.getPaddingLeft(), view.getPaddingTop() + getStatusBarHeight(context), view.getPaddingRight(),
							view.getPaddingBottom());
		}
	}

	/**
	 * 增加View的paddingTop,增加的值为状态栏高度 (智能判断，并设置高度)
	 */
	public static void setPaddingSmart(Context context, View view) {
		if (Build.VERSION.SDK_INT >= MIN_API) {
			ViewGroup.LayoutParams lp = view.getLayoutParams();
			if (lp != null && lp.height > 0) {
				lp.height += getStatusBarHeight(context);//增高
			}
			view.setPadding(view.getPaddingLeft(), view.getPaddingTop() + getStatusBarHeight(context), view.getPaddingRight(),
							view.getPaddingBottom());
		}
	}

	/**
	 * 增加View的高度以及paddingTop,增加的值为状态栏高度.一般是在沉浸式全屏给ToolBar用的
	 */
	public static void setHeightAndPadding(Context context, View view) {
		if (Build.VERSION.SDK_INT >= MIN_API) {
			ViewGroup.LayoutParams lp = view.getLayoutParams();
			lp.height += getStatusBarHeight(context);//增高
			view.setPadding(view.getPaddingLeft(), view.getPaddingTop() + getStatusBarHeight(context), view.getPaddingRight(),
							view.getPaddingBottom());
		}
	}

	/**
	 * 增加View上边距（MarginTop）一般是给高度为 WARP_CONTENT 的小控件用的
	 */
	public static void setMargin(Context context, View view) {
		if (Build.VERSION.SDK_INT >= MIN_API) {
			ViewGroup.LayoutParams lp = view.getLayoutParams();
			if (lp instanceof ViewGroup.MarginLayoutParams) {
				((ViewGroup.MarginLayoutParams) lp).topMargin += getStatusBarHeight(context);//增高
			}
			view.setLayoutParams(lp);
		}
	}

	/**
	 * 创建假的透明栏
	 */
	public static void setTranslucentView(ViewGroup container, int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		if (Build.VERSION.SDK_INT >= 19) {
			int mixtureColor = mixtureColor(color, alpha);
			View translucentView = container.findViewById(android.R.id.custom);
			if (translucentView == null && mixtureColor != 0) {
				translucentView = new View(container.getContext());
				translucentView.setId(android.R.id.custom);
				ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
																	   getStatusBarHeight(container.getContext()));
				container.addView(translucentView, lp);
			}
			if (translucentView != null) {
				translucentView.setBackgroundColor(mixtureColor);
			}
		}
	}

	public static int mixtureColor(int color, @FloatRange(from = 0.0, to = 1.0) float alpha) {
		int a = (color & 0xff000000) == 0 ? 0xff :  color >>> 24;
		return (color & 0x00ffffff) | (((int) (a * alpha)) << 24);
	}

	/**
	 * 获取状态栏高度
	 */
	public static int getStatusBarHeight(Context context) {
		int result = 24;
		int resId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
		if (resId > 0) {
			result = context.getResources().getDimensionPixelSize(resId);
		} else {
			result = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, result, Resources.getSystem().getDisplayMetrics());
		}
		return result;
	}
}
